Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kieu van cua snippets" » "kieu van code snippets", "hieu van cua snippets", "sieu van cua snippets", "lieu van cua snippets", "kieu vang cua snippets", "kieu ban cua snippets", "kieu dan cua 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: (((("kieu van cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu van cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kieu van cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu van cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.