Perhaps you should try some spelling variations:
lam duoc » nam duoc, luat duoc, lam thuoc
hieu van » hieu va, thien van, lieu va
hoc anh » hoc nganh, hoc nhanh, ngoc anh
ma danh » va danh, ma dan, mo danh
duoc ma » duoc lam
van lam » van nam
nang o » nang co, nang ho, nang ro
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc anh) or (thu hoach)) ky nang o hai. hieu van lam duoc ma danh ((di cua) or (de cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc anh) OR (thu hoach)) ky nang o hai. hieu van lam duoc ma danh ((di cua) OR (de cua)) te.
• Adding a wildcard symbol may retrieve word variants: ((hoc anh) or (thu hoach)) ky nang o hai. hieu van lam duoc ma danh ((di cua) or (de cua)) te*.