Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
ban cong » bang cong, phan cong, ban huong
van cong » van dong, van phong, phan cong
tran cao » toan cao, tran chau, trang cho

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 thanh - hanh manh cua ((ban cong) or (van cong)) tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh manh cua ((ban cong) OR (van cong)) tan tran cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh manh cua ((ban cong) or (van cong)) tan tran cao*.