Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham bi cong snippets" » "cham binh cong snippets", "cham hoi cong snippets", "cham lai cong snippets", "cham bo cong snippets", "cham tai cong snippets", "cham thi cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cham bi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham bi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham bi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham bi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.