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