Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hoang manh » hoang minh, hoang anh, hoang xanh
thong cong » trong cong, tong cong, thong thong
hanh manh » lanh manh, thanh minh, hanh doanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
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: ho chieu sang - ((((hanh manh) OR (hanh mang))) or (hoang manh)) cua thong cong tac tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((((hanh manh) OR (hanh mang))) OR (hoang manh)) cua thong cong tac tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((((hanh manh) OR (hanh mang))) or (hoang manh)) cua thong cong tac tran cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((((hanh manh) OR (hanh mang))) or (hoang manh)) cua thong cong tac tran cao*.