Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua trong » cua truong, cua trung, qua trong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh
chan cac » phan cac, chon cac, nhan cach
phan lap » phan dau

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) OR (hieu manh)) - thanh tung cua trong cong tan ((chan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tung cua trong cong tan ((chan cac) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh tung cua trong cong tan ((chan cac) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh tung cua trong cong tan ((chan cac) or (phan lap))*.