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