Perhaps you should try some spelling variations:
chat thuc » thuat thuc, nhan thuc, chat thai
cua triet » cua viet, su triet, va triet
khach ky » hanh ky, thanh ky
day hanh » day nhanh, day thanh, dao hanh
dac nhan » cac nhan, danh nhan, ca nhan
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cua tre » cua te, cuu tre, dua tren
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vay khach ky nang x hoi. hieu ve chat thuc ((day hanh) or (dac nhan)) de ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vay khach ky nang x hoi. hieu ve chat thuc ((day hanh) OR (dac nhan)) de ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vay khach ky nang x hoi. hieu ve chat thuc ((day hanh) or (dac nhan)) de ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: vay khach ky nang x hoi. hieu ve chat thuc ((day hanh) or (dac nhan)) de ((cua tre) OR (cua triet))*.