Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
van hanh » van thanh, ban hanh, van anh
hanh va » hang va, hanh vi
xuc van » duc van, luc van, xuc ban
hieu ve » hieu va, hieu van
su viet » so viet
nang xa » lang xa, nang ma, mang xa
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) OR (thuat lanh)) ty ((nang xa) or (nang x)) hoi. hieu ve cam xuc van hanh va su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lanh)) ty ((nang xa) OR (nang x)) hoi. hieu ve cam xuc van hanh va su viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) OR (thuat lanh)) ty ((nang xa) or (nang x)) hoi. hieu ve cam xuc van hanh va su viet".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) OR (thuat lanh)) ty ((nang xa) or (nang x)) hoi. hieu ve cam xuc van hanh va su viet*.