Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using waste code snippets" » "during waste code snippets", "using masked code snippets", "using rate code snippets", "using waste code slippers"
"dong va code snippets" » "dung va code snippets", "dong ha code snippets", "luong va code snippets", "dong va code slippers"

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 waste code snippets") or ("dong va code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using waste code snippets") OR ("dong va code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using waste code snippets ) or ( dong va code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using waste code snippets") or ("dong va code snippets"))) or ("locating bugs code snippets"))*.