Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
danh ban » doanh ban, danh bat, danh bac
cham xuc » cam xuc, chat xuc, cham soc
hieu van » hieu va, thien van, lieu va
ban cau » bang cau, ban can, van cau
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach thieu ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu van)) cham xuc va danh ban cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thieu ((nang xa) OR (nang x)) hoi. ((hieu ve) OR (hieu van)) cham xuc va danh ban cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thieu ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu van)) cham xuc va danh ban cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach thieu ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu van)) cham xuc va danh ban cau tren*.