Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach nhu cua snippets" » "sach nha cua snippets", "bach hue cua snippets", "bac nha cua snippets", "bach hu cua snippets", "bach ngu cua snippets", "bach thu cua 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 nhu cua 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 nhu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach nhu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach nhu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.