Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van ket do snippets" » "van ket code snippets", "gan ket do snippets", "luan ket do snippets", "van kien do snippets", "van ke do snippets", "van ket du snippets", "van ket doan snippets"
"python using java snippets" » "python using data 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: (((("van ket do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van ket do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van ket do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ket do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.