Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc khien » hoc hien, hoc nghien, hoc thieu
tran chau » tranh chap, tran huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc khien tinh - hanh doanh nhan ((nhung cong) or (thong cong)) tan tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc khien tinh - hanh doanh nhan ((nhung cong) OR (thong cong)) tan tran chau.
• Adding a wildcard symbol may retrieve word variants: hoc khien tinh - hanh doanh nhan ((nhung cong) or (thong cong)) tan tran chau*.