Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian dat doc snippets" » "gian dat code snippets", "gian dan doc snippets", "gian dac doc snippets", "giang day doc snippets", "gian dat duoc snippets", "gian day doc snippets", "gian dat nuoc 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: (((("gian dat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian dat doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( gian dat doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.