Perhaps you should try some spelling variations:
thanh trien » thanh tien, thanh truyen, thanh vien
trien hoat » tien hoa
hoat nhung » hoa nhung, thuat nhung, hoc nhung
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
cong van » cong vang, cong san, song van
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - thanh trien hoat nhung cong van ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - thanh trien hoat nhung cong van ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - thanh trien hoat nhung cong van ((toan cao) or (toan tap))*.