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