Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van tuan » van quan, van ban, anh tuan
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
tuan vi » quan vi, luan vi, quans vi
ve bac » ve bao, ve ban, he bac
ve cac » va cac, vien cac
bo van » vo van, so van, do van
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 ky nang xa hoi. hieu ((ve bac) or (ve cac)) bo van tuan vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve bac) OR (ve cac)) bo van tuan vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve bac) or (ve cac)) bo van tuan vi cua triet*.