Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao cach cua snippets" » "nhan cach cua snippets", "phap cach cua snippets", "va cach cua snippets", "hao cac cua snippets", "hao cach dua snippets", "hao canh 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: (((("hao cach 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: (((("hao cach cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao cach cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao cach cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.