Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong lang da snippets" » "cong lang code snippets", "cong vang da snippets", "cong luong da snippets", "cong quang da snippets", "cong lang dai snippets", "cong lang ha snippets", "cong lang xa 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: (((("cong lang da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong lang da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong lang da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lang da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.