Perhaps you should try some spelling variations:
nang hai » hang hai, nang tai, dang hai
cua viet » ca viet, cua vat, cua dieu
lang hoa » hang hoa, lang ha, nang hoa
nam thuc » nam thuoc, am thuc, nam thu
thuc dan » thuc hanh, hoc dan, thuc vat
dan nang » da nang, van nang, dai nang
ky lang » ky nang, ky dang, ky tang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu le » hieu ve, hieu he, hieu ly
te sai » te bai, te lai, te hai
le nam » ly nam, he nam, le na

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sai) OR (te tai)) ky lang hoa hoi. hieu le nam thuc dan nang hai ((cua viet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (te tai)) ky lang hoa hoi. hieu le nam thuc dan nang hai ((cua viet) OR (hoa viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sai) OR (te tai)) ky lang hoa hoi. hieu le nam thuc dan nang hai ((cua viet) or (hoa viet))".
• Adding a wildcard symbol may retrieve word variants: ((te sai) OR (te tai)) ky lang hoa hoi. hieu le nam thuc dan nang hai ((cua viet) or (hoa viet))*.