Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung bac ho snippets" » "nhung bai ho snippets", "phuong bac ho snippets", "nhung cau ho snippets", "nhung bac bo snippets", "nhung bac ha 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: (((("nhung bac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung bac ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung bac ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung bac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.