Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho tinh he snippets" » "ha tinh he snippets", "hoi tinh he snippets", "hoa tinh he snippets", "tho trinh he snippets", "tho tinh ha snippets", "tho tich he 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: (((("tho tinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho tinh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho tinh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho tinh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.