Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mot cong snippets" » "hao moi cong snippets", "hao hoc cong snippets", "hao bo cong snippets", "han mot cong snippets", "hao mon cong snippets", "sao mot 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: (((("hao mot 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: (((("hao mot cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mot cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.