Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc dieu
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong ban » cong bang, cong san, cong tan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (hoc hien)) xanh - thanh trung cua thong cong ban ((phan cac) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - thanh trung cua thong cong ban ((phan cac) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc hien)) xanh - thanh trung cua thong cong ban ((phan cac) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc hien)) xanh - thanh trung cua thong cong ban ((phan cac) or (phan tu))*.