Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tram cam cua snippets" » "tam cam cua snippets", "tram nam cua snippets", "tam cham cua snippets", "tram ca cua snippets", "tram cau 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: (((("tram cam 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: (((("tram cam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tram cam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tram cam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.