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