Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi khoi lon snippets" » "khi khoi lon snippets", "tai khoi lon snippets", "thi choi lon snippets", "thi khoi dong snippets", "thi cho lon snippets", "thi hoi long 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: (((("thi khoi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi khoi lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi khoi lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi khoi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.