Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc hoi le snippets" » "cuoc khoi le snippets", "cuoc doi le snippets", "quoc hoi le snippets", "cuoc hoi ve snippets", "cuoc hai le snippets", "cuoc hoi e 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: (((("cuoc hoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc hoi le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc hoi le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc hoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.