Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xuc van » luc van, xuc ban, thuc van
duc van » duc va, duc tan, duc manh
hang di » hang doi, hang vi, hang dien
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de 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 cac) or (thuat sach)) ky nang xa hoi. hieu ve cam ((xuc van) or (duc van)) hang di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (thuat sach)) ky nang xa hoi. hieu ve cam ((xuc van) OR (duc van)) hang di cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (thuat sach)) ky nang xa hoi. hieu ve cam ((xuc van) or (duc van)) hang di cua triet*.