Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lon lam cac snippets" » "lon lam code snippets", "lon lao cac snippets", "con lam cac snippets", "loi lam cac snippets", "lon nam cac snippets", "lon lam chat snippets", "lon lam sach 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: (((("lon lam cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon lam cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lon lam cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon lam cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.