Perhaps you should try some spelling variations:
chieu thien » chieu chien, hieu hien
thien hach » thien thanh, hien hanh
toc sach » hoc sach, doc sach, thuoc sach
hach tuc » thach thuc, cach thuc, bach tuoc
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
nang ho » nang hoc, nang co, tang ho
ty nang » ky nang, ty xang, ty hang
huu tre » huu tri, cuu tre, huu them
ho hoi » hoc hoi, hoa hoi, hoi hoi
tuc va » thuc va, truc va, tuc xa
va huu » vu huu

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