Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lac tinh cua snippets" » "dac tinh cua snippets", "cac tinh cua snippets", "loc tinh cua snippets", "lac trinh cua snippets", "lac sinh cua snippets", "lac tinh chat 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: (((("lac tinh 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: (((("lac tinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lac tinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lac tinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.