Perhaps you should try some spelling variations:
thien van » thi van
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
nam luc » nang luc, nhan luc, nam thuc
va hang » van hang, va nang, va lang
hang di » hang doi, hang vi, hang dien
y nang » ky nang, v nang, may nang
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de 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) or (ly nang)) x hoi. thien van nam luc va hang di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) x hoi. thien van nam luc va hang di cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ly nang)) x hoi. thien van nam luc va hang di cua viet*.