Perhaps you should try some spelling variations:
thien van » thi van
te sach » toc sach
nam xuc » cam xuc, nam xua, nam thuc
va hang » van hang, va nang, va hanh
va lang » va nang, hoa lang
doi cua » dai cua, hoi cua, dong cua
y nang » ky nang, ly nang, v nang
di cua » dai cua, de cua, do cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang x hoi. thien van nam xuc ((va hang) or (va lang)) ((di cua) OR (doi cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. thien van nam xuc ((va hang) OR (va lang)) ((di cua) OR (doi cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. thien van nam xuc ((va hang) or (va lang)) ((di cua) OR (doi cua)) viet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. thien van nam xuc ((va hang) or (va lang)) ((di cua) OR (doi cua)) viet*.