Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cap hanh cat snippets" » "cap hanh code snippets", "chap hanh cat snippets", "cap han cat snippets", "cac thanh cat snippets", "cap hanh cac snippets", "cap hanh luat snippets", "cap nhanh cay 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: (((("cap hanh cat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap hanh cat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cap hanh cat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap hanh cat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.