Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
xa khanh » xa thanh, van khanh, dat khanh
xa hanh » xa thanh, va hanh, da hanh
cam tuc » cam xuc, cam tu, nam thuc
tu sach » thu sach, su sach, tu cach
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
hieu ve » hieu va, hieu van
ha hoi » hoa hoi, ha noi, xa hoi
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ky lang ha hoi. hieu ve cam tuc ((xa hanh) OR (xa khanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky lang ha hoi. hieu ve cam tuc ((xa hanh) OR (xa khanh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky lang ha hoi. hieu ve cam tuc ((xa hanh) OR (xa khanh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky lang ha hoi. hieu ve cam tuc ((xa hanh) OR (xa khanh)) vi cua triet*.