Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan hanh noi snippets" » "ban hanh noi snippets", "van hanh noi snippets", "lan anh noi snippets", "lan ha noi snippets", "lan hanh vi 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: (((("lan hanh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan hanh noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan hanh noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan hanh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.