Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc nhiet co snippets" » "hoc thiet co snippets", "hoc nghien co snippets", "hoc hien co snippets", "hoc nhiet do snippets", "hoc nhiet doi snippets", "hoc nhiet hoc 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: (((("hoc nhiet co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc nhiet co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc nhiet co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc nhiet co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.