Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han nhu do snippets" » "han ngu do snippets", "hang nha do snippets", "han khu do snippets", "han phu do snippets", "han thu do 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: (((("han nhu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han nhu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han nhu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han nhu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.