Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh hai » thanh hai, nhanh hai, hang hai
van hanh » van thanh, ban hanh, van anh
hai cua » thai cua, dai cua, hoi cua
vuc van » duc van, luc van, thuc van
cam vuc » cam xuc
qua cam » qua cham, qua cac, qua ca
su sach » vu sach
nang ma » tang ma, sang ma, nang cao
so sach » so sanh, bo sach, co sach
lang xa » lang ha, dang xay, lang van

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

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