Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac thuc du snippets" » "cac thuc code snippets", "cach thuc du snippets", "cac thu du snippets", "can thuc du snippets", "cac truc du snippets", "cac thuc su snippets", "cac thuc tu 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: (((("cac thuc du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac thuc du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac thuc du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac thuc du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.