Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua nhat doi snippets" » "qua hoat doi snippets", "luc nhat doi snippets", "qua hai doi snippets", "qua hat doi snippets", "qua nhat moi snippets", "qua nhat loi 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: (((("qua nhat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua nhat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua nhat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua nhat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.