Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chai cau » chai va, cua cau, khai cac
phan cau » phan dau, phan cac, phan tu
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
va lang » va nang, hoa lang
xuc va » duc va, tuc va, luc va
bach » cach, bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu bach)) ly nang xa hoi. hieu van cam xuc va lang ((chai cau) OR (phan cau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu bach)) ly nang xa hoi. hieu van cam xuc va lang ((chai cau) OR (phan cau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu bach)) ly nang xa hoi. hieu van cam xuc va lang ((chai cau) OR (phan cau)) treo".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu bach)) ly nang xa hoi. hieu van cam xuc va lang ((chai cau) OR (phan cau)) treo*.