Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong li do snippets" » "cong li code snippets", "cong ti do snippets", "hong li do snippets", "cong hai do snippets", "cong li du snippets", "cong li so snippets", "cong ly 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: (((("cong li 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: (((("cong li do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong li do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong li do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.