Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc de cua snippets" » "buoc de cua snippets", "luoc ve cua snippets", "luoc dai cua snippets", "luoc le cua snippets", "luoc te cua snippets", "luoc dieu 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: (((("luoc de 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: (((("luoc de cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc de cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc de cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.