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