Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua vu cach snippets" » "cua vu code snippets", "cua va cach snippets", "cua ve cach snippets", "cua vu bach snippets", "cua su cach snippets", "cua vi cach snippets", "cua cu cach 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 cach 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 cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua vu cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua vu cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.