Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
va tinh » may tinh
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cao hoi » cau hoi, co hoi, cao hoc
luy tre » luyen tre
sac ky » cac ky, sai ky
vi luy » vi lua, vi luu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((sac ky) or (sach y)) nang cao hoi. hieu ve cham xuc ((va hanh) or (va tinh)) vi luy tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((sac ky) OR (sach y)) nang cao hoi. hieu ve cham xuc ((va hanh) OR (va tinh)) vi luy tre.
• Adding a wildcard symbol may retrieve word variants: doc ((sac ky) or (sach y)) nang cao hoi. hieu ve cham xuc ((va hanh) or (va tinh)) vi luy tre*.