Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"do van code snippets" » "do van de snippets", "do van hoe snippets", "do van cong snippets", "dao van code snippets", "vo van code snippets", "so van code snippets", "do van code slippers"
"dan bug code snippets" » "dan bui code snippets", "dan dung code snippets", "dan vung code snippets", "dan bug 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: (((("do van code snippets") or ("dan bug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do van code snippets") OR ("dan bug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( do van code snippets ) or ( dan bug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do van code snippets") or ("dan bug code snippets"))) or ("locating bugs code snippets"))*.