Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi sao cong snippets" » "thi cao cong snippets", "thi so cong snippets", "thi vao cong snippets", "thoi sao cong snippets", "tai sao cong snippets", "thi hao 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: (((("thi sao 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: (((("thi sao cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi sao cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi sao cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.