Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh ma cua snippets" » "trinh may cua snippets", "trinh mau cua snippets", "trinh va cua snippets", "trinh ca cua snippets", "trinh manh cua snippets", "trinh mang 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: (((("trinh ma 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: (((("trinh ma cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ma cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.