Perhaps you should try some spelling variations:
"luong cac cham snippets" » "luong cuoc cham snippets", "luong va cham snippets", "luong tai cham snippets", "luong cac chat snippets", "luong ca cham snippets", "luong cac cam snippets"
"using a code snippets" » "using a core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using a code snippets") or ("luong cac cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("luong cac cham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( luong cac cham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("luong cac cham snippets"))) or ("locating bug code snippets"))*.