Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
ban hangh » ban thanh, van hanh, van hang
trang va » tran van, hang va
ban hang » ngan hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - hanh trang va nhung cong ((ban hang) or (((ban hangh) or (ban hanh)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh trang va nhung cong ((ban hang) OR (((ban hangh) OR (ban hanh)))) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh trang va nhung cong ((ban hang) or (((ban hangh) or (ban hanh)))) cau*.