Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
xa thanh » va thanh, ha thanh, ta thanh
chat tuc » chat xuc, luat tuc, chat huu
xa khanh » van khanh, dat khanh, hoa khanh
su sach » so sach, vu sach
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
su viet » so viet
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoi. hieu ve chat tuc ((xa khanh) OR (xa thanh)) lai ((cua triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu ve chat tuc ((xa khanh) OR (xa thanh)) lai ((cua triet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoi. hieu ve chat tuc ((xa khanh) OR (xa thanh)) lai ((cua triet) or (su viet))".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu ve chat tuc ((xa khanh) OR (xa thanh)) lai ((cua triet) or (su viet))*.