Perhaps you should try some spelling variations:
nhanh lai » nhanh hai, nhanh lao, nhanh li
day nhanh » day thanh, duy nhanh, dac nhan
tai lang » tai cong, thi lan, va lang
cam thuc » am thuc, nam thuc, cam thu
thuc day » thuc dan, thuc vat
su triet » su viet, su tien, ve triet
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
tai san » tai ngan
hieu ve » hieu va, hieu van
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: su sach ((tai lang) or (tai san)) xa hoi. hieu ve cam thuc day nhanh lai ((su triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((tai lang) OR (tai san)) xa hoi. hieu ve cam thuc day nhanh lai ((su triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ((tai lang) or (tai san)) xa hoi. hieu ve cam thuc day nhanh lai ((su triet) or (cua viet))*.