Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
hanh hai » thanh hai, nhanh hai, hang hai
cau theo » cau thi, cau tao
cau tren » cu tren, dau tren, ca tren
so sanh » do sanh
sanh ly » sinh ly, doanh ly, khanh ly
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
thuc xa » thuc xay, tuc xa, thuc va
xa hanh » xa thanh, xa khanh, va hanh
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ly nang ma hoi. hieu van nam thuc xa hanh hai ((cau theo) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly nang ma hoi. hieu van nam thuc xa hanh hai ((cau theo) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: so sanh ly nang ma hoi. hieu van nam thuc xa hanh hai ((cau theo) or (cau tren))*.