Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren cay cua snippets" » "trien cay cua snippets", "tren may cua snippets", "ten cay cua snippets", "tren ca cua snippets", "tren day cua snippets", "tren cay ca 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: (((("tren cay 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: (((("tren cay cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren cay cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren cay cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.