Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do voi chi snippets" » "do voi code snippets", "do doi chi snippets", "do voi chien snippets", "do hoi chiu snippets", "doi voi chi snippets", "dao voi chi snippets", "do moi chi 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: (((("do voi chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do voi chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do voi chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do voi chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.