Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc sang doc snippets" » "luc sang code snippets", "lam sang doc snippets", "luc canh doc snippets", "duy sang doc snippets", "luc nang doc snippets", "luc dang do snippets", "luc dang duc 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: (((("luc sang doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc sang doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc sang doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc sang doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.