Perhaps you should try some spelling variations:
thien van » thi van
cua viet » ca viet, hoa viet, cua vat
thanh ve » hanh ve, thanh va, thanh vien
nam thuc » nam thuoc, am thuc, nam thu
nam luc » nang luc, nhan luc, nam duoc
cao hoc » co hoc, cho hoc, chat hoc
hanh va » hang va, hanh vi
san ky » sang ky, van ky, dan ky
te san » te ban, ke san, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky nang cao hoc. thien van ((nam luc) OR (nam thuc)) van ((thanh ve) or (hanh va)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang cao hoc. thien van ((nam luc) OR (nam thuc)) van ((thanh ve) OR (hanh va)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang cao hoc. thien van ((nam luc) OR (nam thuc)) van ((thanh ve) or (hanh va)) cua viet".
• Adding a wildcard symbol may retrieve word variants: te san ky nang cao hoc. thien van ((nam luc) OR (nam thuc)) van ((thanh ve) or (hanh va)) cua viet*.