Perhaps you should try some spelling variations:
nang tay » nang tai, nang tao, bang tay
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
ve triet » va trien, su triet
tay hoi » tay ho, tao hoi, tay thai
cam tuc » nam thuc, dam thuc, nam truc
su sai » su tai, su hai, su dai
sai ky » sac ky
cam tu » cam thu, nam tu, dam tu
vi ve » va ve, gi ve, ve ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky nang tay hoi. hieu van ((((cam tuc) OR (cam tu))) or (cam xuc)) van hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky nang tay hoi. hieu van ((((cam tuc) OR (cam tu))) OR (cam xuc)) van hanh vi ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky nang tay hoi. hieu van ((((cam tuc) OR (cam tu))) or (cam xuc)) van hanh vi ve triet".
• Adding a wildcard symbol may retrieve word variants: su sai ky nang tay hoi. hieu van ((((cam tuc) OR (cam tu))) or (cam xuc)) van hanh vi ve triet*.