Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thiet hai » thiet bi, thi hai, thien tai
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thanh bac » nhanh bac, thanh bai, thanh san
cong dan » cong san, cong tan, huong dan
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 thiet hai - thanh trung cua thong cong dan ((phan cac) or (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hai - thanh trung cua thong cong dan ((phan cac) OR (thanh bac)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet hai - thanh trung cua thong cong dan ((phan cac) or (thanh bac))*.