Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam quan » nam huan, sam quan, tam quan
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
nam qua » nam cua, nam mua, nam xua
va dinh » van dinh, va kinh, va tinh
cuu tre » cua tre, cau treo

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 van ((nam qua) or (nam quan)) va dinh van ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu van ((nam qua) OR (nam quan)) va dinh van ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu van ((nam qua) or (nam quan)) va dinh van ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu van ((nam qua) or (nam quan)) va dinh van ((cuu tre) OR (cau tren))*.