Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"him lam khac snippets" » "him pham khac snippets", "him lam chat snippets", "him lam ha snippets", "tim lam khac snippets", "nhom lam khac snippets", "diem lam khac snippets", "him lam khac slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("him lam khac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("him lam khac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( him lam khac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("him lam khac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.