Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tham cung do snippets" » "tham cung code snippets", "thay cung do snippets", "tham nhung do snippets", "pham cong do snippets", "tham chung do snippets", "tham cuong do snippets", "tham dung do 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: (((("tham cung do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham cung do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tham cung do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham cung do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.