Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam thuc co snippets" » "tham thuc co snippets", "am thuc co snippets", "nam thuc co snippets", "tam tuc co snippets", "tam thuat co snippets", "tam thuc 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: (((("tam thuc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam thuc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam thuc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam thuc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.