Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien hach » thien hach, chien dich, hien hanh
hach tuc » thach thuc, cach thuc, bach tuoc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
sach ty » sach y, sach tu, sach thu
huu tri » huu tai
nang o » nang co, nang ho, nang ro
va huu » vu huu
o hoi » co hoi, o hoc, o hai

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 ty nang o hoi. chieu chien hach tuc ((va danh) OR (va hanh)) va huu tri~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang o hoi. chieu chien hach tuc ((va danh) OR (va hanh)) va huu tri".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang o hoi. chieu chien hach tuc ((va danh) OR (va hanh)) va huu tri*.