Perhaps you should try some spelling variations:
chieu thien » chieu chien, hieu hien
thien hach » thien thanh, hien hanh
hach duc » thach duc, hanh duoc, sach duoc
huu them » huu thu, huu thuc, huu liem
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
huu tre » huu tri, cuu tre, huu tien

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 xa hoi. chieu thien hach duc va hanh va ((huu tre) or (huu them))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. chieu thien hach duc va hanh va ((huu tre) OR (huu them)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. chieu thien hach duc va hanh va ((huu tre) or (huu them))*.