Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
cam tao » cau tao, cai tao, cam tay
tao van » thao van, tao va, dao van
vai cua » dai cua, hai cua, lai cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang x hoi. hieu ve cam tao van hanh ((vai cua) or (((di cua) or (de cua)))) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang x hoi. hieu ve cam tao van hanh ((vai cua) OR (((di cua) OR (de cua)))) triet.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang x hoi. hieu ve cam tao van hanh ((vai cua) or (((di cua) or (de cua)))) triet*.