Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thao voi snippets" » "thi thanh voi snippets", "thi thu voi snippets", "thi thuy voi snippets", "thi tao voi snippets", "thi than voi snippets", "thi pho voi 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 thao voi 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 thao voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thao voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.