Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dong tio2 core snippets" » "dong tin core snippets", "dong tien core snippets", "dong tinh core snippets"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che 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: (((("dong tio2 core snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tio2 core snippets") OR ("dung cong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dong tio2 core snippets ) or ( dung cong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tio2 core snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))*.