Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang hat cua snippets" » "lang ha cua snippets", "dang hat cua snippets", "lang hai cua snippets", "lang nhat cua snippets", "lang chat cua snippets", "lang phat 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: (((("lang hat 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: (((("lang hat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang hat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang hat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.