Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao tac cho snippets" » "tao bac cho snippets", "tao tai cho snippets", "tao cac cho snippets", "tao tac chon snippets", "tao dac cho snippets", "tao tap cho 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: (((("tao tac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao tac cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao tac cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao tac cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.