Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cau tren » cu tren, dau tren, ca tren
hanh tri » thanh tri, hanh tai, hanh triet
sach ky » sac ky, sach y, sach ty
te sach » toc sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
tuc va » thuc va, truc va, tuc xa
loc va » hoc va, luc va
va cam » va cham, va cac, va cao

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 ky nang xa hoi. hieu va cam ((tuc va) OR (loc va)) ((hanh tri) OR (hanh trinh)) cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu va cam ((tuc va) OR (loc va)) ((hanh tri) OR (hanh trinh)) cau tren".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu va cam ((tuc va) OR (loc va)) ((hanh tri) OR (hanh trinh)) cau tren*.