Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mon cach snippets" » "hao mot cach snippets", "hao dong cach snippets", "hao minh cach snippets", "hat mon cach snippets", "hau mon cach snippets", "ho mon cach 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: (((("hao mon cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao mon cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mon cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mon cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.