Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi cuong do snippets" » "thi cuong code snippets", "thi cong do snippets", "thi huong do snippets", "thi truong do snippets", "thi cuong dao snippets", "thi cuong vo snippets", "thi luong 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: (((("thi cuong 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: (((("thi cuong do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi cuong do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cuong do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.