Perhaps you should try some spelling variations:
cach truc » sach truc, cau truc, cach tu
cach thuc » anh thuc, cac thu
va trien » va truyen, va thiet, va tuyen
dinh su » dinh so, hinh su, dinh cu
xa dinh » xac dinh, va dinh, ba dinh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
x hoi » o hoi, x ho, 5 hoi
su va » su van, tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((cach truc) or (cach thuc)) nano ((x hoi) or (xa hoi)). hieu ve cam tuc xa dinh su va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((cach truc) OR (cach thuc)) nano ((x hoi) OR (xa hoi)). hieu ve cam tuc xa dinh su va trien.
• Adding a wildcard symbol may retrieve word variants: tu ((cach truc) or (cach thuc)) nano ((x hoi) or (xa hoi)). hieu ve cam tuc xa dinh su va trien*.