Perhaps you should try some spelling variations:
chieu thien » chieu chien, hieu hien
thien hach » thien thanh, hien hanh
hach xuc » thach duc, hanh xu, cach xu
huu tre » cuu tre, huu them, huu tien
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
huu tri » huu tai
xuc va » duc va, tuc va, luc va
nang o » nang co, nang ho, nang ro
o hoc » co hoc, mo hoc, so hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang o hoc. chieu thien hach xuc va danh va ((huu tre) OR (huu tri))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang o hoc. chieu thien hach xuc va danh va ((huu tre) OR (huu tri))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang o hoc. chieu thien hach xuc va danh va ((huu tre) OR (huu tri))*.