Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoa tre snippets" » "thi hoan tre snippets", "thi ha tre snippets", "thi hong tre snippets", "thi hoa tren snippets", "thi khoa tre snippets", "thi khoe tre 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 hoa 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 hoa tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoa tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoa tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.