Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
hieu van » hieu va, thien van, lieu va
danh vai » danh sai, danh va, doanh van
ban danh » ban doanh, ban hanh, ban dan
su triet » su viet, su tien, ve triet
hieu ve » hieu va
cau cua » cau qua, ca cua, cu cua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san ky lang xa hoi. ((hieu ve) OR (hieu van)) cau cua ban danh vai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky lang xa hoi. ((hieu ve) OR (hieu van)) cau cua ban danh vai ((cua tre) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ky lang xa hoi. ((hieu ve) OR (hieu van)) cau cua ban danh vai ((cua tre) or (su triet))*".