Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trien thi du snippets" » "trieu thi du snippets", "tren thi du snippets", "trien chi du snippets", "trien thi dua snippets", "trien thi dau snippets", "trien thi diu 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: (((("python using java snippets") or ("trien thi du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("trien thi du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( trien thi du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("trien thi du snippets"))) or ("locating bug code snippets"))*.