Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua vu cham snippets" » "cua vu code snippets", "cua va cham snippets", "cua vu kham snippets", "cua tu cham snippets", "cua su cham snippets", "cua vi cham snippets", "cua cu cham 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: (((("cua vu cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua vu cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua vu cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua vu cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.