Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu benh he snippets" » "tru benh he snippets", "thu binh he snippets", "chua benh he snippets", "thu benh heo snippets", "thu benh ve snippets", "thu benh theo 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: (((("thu benh 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: (((("thu benh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu benh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu benh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.