Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
truong va » truong dai, truong cao, truong dao
chong van » thong van, hong van, chong va
phong van » phung van, thong van, phong va
trung ha » trung hoc, trung tam, trung cap
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - thanh ((truong va) or (trung ha)) nhung ((chong van) OR (phong van)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - thanh ((truong va) OR (trung ha)) nhung ((chong van) OR (phong van)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - thanh ((truong va) or (trung ha)) nhung ((chong van) OR (phong van)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - thanh ((truong va) or (trung ha)) nhung ((chong van) OR (phong van)) tuan cau*.