Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat thay du snippets" » "bac thay du snippets", "la thay du snippets", "lam thay du snippets", "mat thap du snippets", "mat tay du snippets", "mat tham du snippets"
"locating bug code snippets" » "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: (((("mat thay du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat thay du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat thay du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat thay du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.