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: (((("python using java snippets") or ("hao mon cach snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hao mon cach snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hao mon cach snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hao mon cach snippets"))) or ("locating bug code snippets"))*.