Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using low snippets" » "python using code snippets"
"mien dong dat snippets" » "dien dong dat snippets", "bien dong dat snippets", "tien dong dat snippets", "mien dong vat snippets", "mien dung dat snippets", "mien dong ha 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: (((("mien dong dat snippets") or ("python using low snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mien dong dat snippets") OR ("python using low snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mien dong dat snippets ) or ( python using low snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mien dong dat snippets") or ("python using low snippets"))) or ("locating bug core snippets"))*.