Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
theo phap » thi phap
cua trung » cua truong, xuan trung, cua nhung
thanh tap » thanh lap, thanh tai, thanh tam
thanh tay » thanh tai, thanh toan, thanh thuy
theo hop » thao hoc, theo ucp, tao hop
hanh han » hanh nhan, hanh phan, hanh san
cong van » cong vang, cong san, song van
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo hop) OR (theo phap)) manh - hanh han cua trung cong van ((thanh tap) or (thanh tay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo hop) OR (theo phap)) manh - hanh han cua trung cong van ((thanh tap) OR (thanh tay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo hop) OR (theo phap)) manh - hanh han cua trung cong van ((thanh tap) or (thanh tay))".
• Adding a wildcard symbol may retrieve word variants: ((theo hop) OR (theo phap)) manh - hanh han cua trung cong van ((thanh tap) or (thanh tay))*.