Perhaps you should try some spelling variations:
thien van » thi van
cham xuc » chat xuc, cham soc, pham duc
va triet » va thiet, va trien, ve triet
tru nang » tra nang, tri nang, truc nano
tu nang » tu nong, tu nano, tu lang
va kinh » va tinh, qua kinh
kinh su » kinh suu, hinh su, dinh su
tu sach » thu sach, su sach, te sach
o hoi » co hoi, o hoc, o hai
su va » su van, tu va

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 ((tu nang) OR (tru nang)) o hoi. thien van ((cham xuc) or (cam xuc)) va kinh su va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tu nang) OR (tru nang)) o hoi. thien van ((cham xuc) OR (cam xuc)) va kinh su va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tu nang) OR (tru nang)) o hoi. thien van ((cham xuc) or (cam xuc)) va kinh su va triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tu nang) OR (tru nang)) o hoi. thien van ((cham xuc) or (cam xuc)) va kinh su va triet*.