Perhaps you should try some spelling variations:
dua tren » dung tren
thanh vi » hanh vi, thanh va, thanh ve
cau tren » dau tren, ca tren, cau treo
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cu tren » tu tren
soc va » hoc va, loc va, doc va
san ky » sang ky, van ky, dan ky
te san » te ban, ke san, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky lang xa hoi. hieu va cham soc va thanh vi ((cau tren) or (((cu tren) OR (dua tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky lang xa hoi. hieu va cham soc va thanh vi ((cau tren) OR (((cu tren) OR (dua tren)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky lang xa hoi. hieu va cham soc va thanh vi ((cau tren) or (((cu tren) OR (dua tren))))".
• Adding a wildcard symbol may retrieve word variants: te san ky lang xa hoi. hieu va cham soc va thanh vi ((cau tren) or (((cu tren) OR (dua tren))))*.