Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu canh » thuc hanh, thu cong, thu ban
danh vai » danh sai, danh va, doanh van
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, dua tren
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tu can » tu ban, tu cac
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu can) OR (thu canh)) ky nang ma hoi. hieu ve cam tuc va danh vai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu can) OR (thu canh)) ky nang ma hoi. hieu ve cam tuc va danh vai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu can) OR (thu canh)) ky nang ma hoi. hieu ve cam tuc va danh vai ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: ((tu can) OR (thu canh)) ky nang ma hoi. hieu ve cam tuc va danh vai ((cua tre) or (cua triet))*.