Perhaps you should try some spelling variations:
chat huu » pham huu
thi nang » thi cong, ki nang, thi hanh
hieu van » hieu va, thien van, lieu va
chat xuc » cam xuc, chao xu, chat cua
ban hanh » ban hang
sach thi » sach thu, sach tai, sach thieu
bo sach » co sach, hoc sach
nang xa » nang x, lang xa, nang ma
lam va » nam va, dam va, am va
lam ha » nam ha, dam ha, lam chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach thi nang xa hoi. hieu van ((chat xuc) or (chat huu)) ban hanh ((lam va) OR (lam ha)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach thi nang xa hoi. hieu van ((chat xuc) OR (chat huu)) ban hanh ((lam va) OR (lam ha)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach thi nang xa hoi. hieu van ((chat xuc) or (chat huu)) ban hanh ((lam va) OR (lam ha)) triet".
• Adding a wildcard symbol may retrieve word variants: bo sach thi nang xa hoi. hieu van ((chat xuc) or (chat huu)) ban hanh ((lam va) OR (lam ha)) triet*.