Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien hach » thien hach, chien dich, hien hanh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
vi huu » vu huu, va huu, vien huu
vi luu » vi lua

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 chien hach ((xuc va) OR (luc va)) hanh ((vi huu) or (vi luu)) tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. chieu chien hach ((xuc va) OR (luc va)) hanh ((vi huu) OR (vi luu)) tri.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. chieu chien hach ((xuc va) OR (luc va)) hanh ((vi huu) or (vi luu)) tri".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. chieu chien hach ((xuc va) OR (luc va)) hanh ((vi huu) or (vi luu)) tri*.