Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
nam thau » nam thu, nam thai, nam thanh
danh bat » doanh bat, anh bai, dinh ba
nang mai » nang ma, nang tai, lang mai
xay danh » day danh, vay doanh, xay dung
thau xay » thuat xay, tu xay, phan xay
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
sach tu » sach thu, cach tu, sach ty
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) or (sach tu)) nang mai hoi. hieu ve nam thau xay danh bat ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach tu)) nang mai hoi. hieu ve nam thau xay danh bat ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sach tu)) nang mai hoi. hieu ve nam thau xay danh bat ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach tu)) nang mai hoi. hieu ve nam thau xay danh bat ((cua triet) OR (su triet))*.