Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"boc tran du snippets" » "soc trang du snippets", "bich tran du snippets", "buc tranh du snippets", "boc tran duc snippets", "boc tran duy snippets", "boc trang du 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( boc tran du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("boc tran du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.