Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung vap » trung cap, trung va, trung lap
trung van » truong van, trong van, trung va
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh ((trung vap) or (trung van)) thong cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trung vap) OR (trung van)) thong cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trung vap) or (trung van)) thong cong manh toan ban*.