Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc khoa can snippets" » "thuc khoa can snippets", "duc khoa can snippets", "nuoc khoa can snippets", "tuc khoa cam snippets", "tuc khoa cap snippets", "tuc khoi can 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: (((("tuc khoa can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuc khoa can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc khoa can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc khoa can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.