Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nhan ve snippets" » "tri nhan ve snippets", "thi than ve snippets", "thi ngan ve snippets", "thi nhan va snippets", "thi nhat ve snippets", "thi nhin ve 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 nhan ve 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 nhan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nhan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nhan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.