Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi trinh ke snippets" » "tho trinh ke snippets", "thi thanh ke snippets", "thi minh ke snippets", "thi trinh ky snippets", "thi trinh he snippets", "thi trinh ve 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 trinh 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: (((("thi trinh ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi trinh ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi trinh ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.