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