Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat thanh
tran phong » tran hong, van phong, tran hoang
thuat tac » thuat tao, thuat tai, thuat tam
cong tinh » cong trinh, cong vinh, long tinh
luong tin » thong tin, luong tai, luong thi
manh tan » manh toan, manh tuan, minh tan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((thuat tach) or (thuat tac)) - manh tan tran phong ((cong tinh) or (luong tin)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thuat tach) OR (thuat tac)) - manh tan tran phong ((cong tinh) OR (luong tin)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((thuat tach) or (thuat tac)) - manh tan tran phong ((cong tinh) or (luong tin)) toan ban*.