Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
mang su » dang su, nang su, bang su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chu manh)) - hanh mang su dung cong ngang ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - hanh mang su dung cong ngang ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu manh)) - hanh mang su dung cong ngang ((toan cau) or (toan cao))*.