Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lam chi cua snippets" » "lam chi code snippets", "nam chi cua snippets", "lam chu cua snippets", "la chi cua snippets", "lam chi cuc snippets", "lam khi cua snippets", "lam cuoi 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: (((("lam chi 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: (((("lam chi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lam chi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam chi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.