Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap vi du snippets" » "giap voi du snippets", "giap thi du snippets", "giap vi dum snippets", "giap va du snippets", "giap ve 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: (((("giap vi 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: (((("giap vi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap vi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap vi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.