Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao mat cua snippets" » "bao mat cua snippets", "nham mat cua snippets", "nuoc mat cua snippets", "nao ma cua snippets", "nao manh cua snippets", "nao 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: (((("python using java snippets") or ("nao mat cua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nao mat cua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nao mat cua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nao mat cua snippets"))) or ("locating bug code snippets"))*.