Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu tu ke snippets" » "chieu tro ke snippets", "lieu tu ke snippets", "chu tu ke snippets", "chieu tu kem snippets", "chieu tu le snippets", "chieu tu te 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: (((("chieu tu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu tu ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu tu ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu tu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.