Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
truong cao » truong dai
thong cong » trong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
truong ca » truong va, trong ca, truong dai
tong cong » trong cong, cong cong, dung cong
dan phan » doan phan, dan chan, van phan
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 thieu tinh - thanh ((truong ca) or (truong cao)) ((thong cong) OR (tong cong)) dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((truong ca) OR (truong cao)) ((thong cong) OR (tong cong)) dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((truong ca) or (truong cao)) ((thong cong) OR (tong cong)) dan phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((truong ca) or (truong cao)) ((thong cong) OR (tong cong)) dan phan cac*.