Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cap thong » cap tong, chap thuong, phap thong
tung cap » trung cap, cung cap, thong cap
cong ban » cong bang, cong san, cong tan
phan cac » phan dau, phan lap, phan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - thanh tung cap thong cong ban ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - thanh tung cap thong cong ban ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - thanh tung cap thong cong ban ((phan cac) or (nhan cach))*.