Perhaps you should try some spelling variations:
thiet tach » chiet tach, thuat tach
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thep ((thiet tach) OR (thien hach)) - ((hanh manh) or (hanh mang)) va nhung cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thep ((thiet tach) OR (thien hach)) - ((hanh manh) OR (hanh mang)) va nhung cong ban than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thep ((thiet tach) OR (thien hach)) - ((hanh manh) or (hanh mang)) va nhung cong ban than cau".
• Adding a wildcard symbol may retrieve word variants: thep ((thiet tach) OR (thien hach)) - ((hanh manh) or (hanh mang)) va nhung cong ban than cau*.