Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hang due snippets" » "thi hanh due snippets", "thi nang due snippets", "thi hong due snippets", "thi hang du snippets", "thi hang dien snippets", "thi hoang duy 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 hang due 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 hang due snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hang due snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hang due snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.