Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tan duoc lap snippets" » "tao duoc lap snippets", "tran duc lap snippets", "da duoc lap snippets", "tan duoc lam snippets", "tan doc lap snippets", "tan duoc lac 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: (((("tan duoc lap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan duoc lap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan duoc lap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan duoc lap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.