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