Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh hat cua snippets" » "minh nhat cua snippets", "minh hai cua snippets", "minh ha cua snippets", "minh chat cua snippets", "minh phat 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: (((("minh hat 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: (((("minh hat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh hat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh hat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.