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