Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
ve triet » va trien, su triet
hieu van » hieu va, thien van, lieu va
cam truc » nam truc, nam truoc, am thuc
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
danh ke » dan ke, danh kien, doanh ket
va danh » va dinh, va dan, va hanh
te sai » te tai, te bai, te lai
sai ky » sac ky
ke ve » ke va, ke he, de ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky dang xa hoi. hieu van ((((cam truc) OR (cau truc))) or (lam truoc)) va danh ke ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky dang xa hoi. hieu van ((((cam truc) OR (cau truc))) OR (lam truoc)) va danh ke ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky dang xa hoi. hieu van ((((cam truc) OR (cau truc))) or (lam truoc)) va danh ke ve triet".
• Adding a wildcard symbol may retrieve word variants: te sai ky dang xa hoi. hieu van ((((cam truc) OR (cau truc))) or (lam truoc)) va danh ke ve triet*.