Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bay cong snippets" » "thi cay cong snippets", "thi may cong snippets", "thi ban cong snippets", "thi ba cong snippets", "thi bao cong snippets", "thi bach 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 bay 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 bay cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bay cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bay cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.