Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va danh » va dinh, va dan, va hanh
vi va » vi van, vai va, vu va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (vu sach)) ky nang xa hoi. hieu ve chat xuc ((va danh) OR (van hanh)) vi va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (vu sach)) ky nang xa hoi. hieu ve chat xuc ((va danh) OR (van hanh)) vi va thiet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (vu sach)) ky nang xa hoi. hieu ve chat xuc ((va danh) OR (van hanh)) vi va thiet*.