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