Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - ((anh tang) or (anh dang)) cua thong cong tac nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - ((anh tang) OR (anh dang)) cua thong cong tac nhan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - ((anh tang) or (anh dang)) cua thong cong tac nhan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - ((anh tang) or (anh dang)) cua thong cong tac nhan cau*.