Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui thanh he snippets" » "thi thanh he snippets", "ban thanh he snippets", "tai thanh he snippets", "bui thanh hue snippets", "bui thanh ha snippets", "bui thanh ve 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: (((("bui thanh 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: (((("bui thanh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui thanh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui thanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.