Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc duoc doc snippets" » "hoc duoc code snippets", "hoc nuoc doc snippets", "hoa duoc doc snippets", "hoc dung doc snippets", "hoc duoc duoc snippets", "hoc duoc hoc snippets", "hoc duoc do 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: (((("hoc duoc 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: (((("hoc duoc doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc duoc doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc duoc doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.