Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
bang hanh » bang thanh, ban hanh, bang hinh
su triet » su viet, su tien, ve triet
luu bang » huu bang, luu hoang, luu quang
hanh hai » thanh hai, nhanh hai, hang hai
tham luu » tam luu, thanh luu, cham cuu
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky ((nang xa) OR (nang ma)) hoi. hieu va tham luu bang hanh hai ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky ((nang xa) OR (nang ma)) hoi. hieu va tham luu bang hanh hai ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky ((nang xa) OR (nang ma)) hoi. hieu va tham luu bang hanh hai ((cua triet) or (su triet))*".