Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may tien doi snippets" » "may dien doi snippets", "may tinh doi snippets", "van tien doi snippets", "may bien doi snippets", "may tien do snippets", "may kien doi 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 ("may tien doi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("may tien doi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( may tien doi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("may tien doi snippets"))) or ("locating bug code snippets"))*.