Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may dong son snippets" » "may duong son snippets", "may cong son snippets", "may nong son snippets", "may dong von snippets", "may dong san snippets", "may hoang son 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 dong son 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 dong son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may dong son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may dong son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.