Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"boc tran can snippets" » "soc trang can snippets", "bich tran can snippets", "buc tranh can snippets", "boc tran van snippets", "boc tran tan snippets", "boc toan can 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: (((("boc tran can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("boc tran can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( boc tran can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("boc tran can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.