Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc thap hoi snippets" » "luc tham hoi snippets", "luc tai hoi snippets", "luc nhat hoi snippets", "luc than khoi snippets", "luc thap muoi snippets", "luc tap hop 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: (((("luc thap hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc thap hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc thap hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc thap hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.