Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hue vo snippets" » "thien hue vo snippets", "thi thuy vo snippets", "thi hue voi snippets", "thi que vo snippets", "thi hue ho 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 hue vo 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 hue vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hue vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hue vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.