Perhaps you should try some spelling variations:
nganh xay » nganh mac, nganh y, nganh ma
tinh doi » trinh doc, trinh do, tinh hoc
ky nganh » ky nang, ly ngan, k ngan
cham duc » pham duc, cham soc, pham duy
tinh voi » trinh voi, binh voi, minh voi
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nganh xay hoi. hieu va cham duc va ((tinh voi) or (tinh doi)) ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nganh xay hoi. hieu va cham duc va ((tinh voi) OR (tinh doi)) ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nganh xay hoi. hieu va cham duc va ((tinh voi) or (tinh doi)) ((cua te) or (cua tu))*.