Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may vong doi snippets" » "may cong doi snippets", "may nong doi snippets", "day vong doi snippets", "may trong doi snippets", "may huong doi snippets", "may dung 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: (((("may vong 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: (((("may vong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may vong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.