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