Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
tren cuu » trien cua, trinh cuu, tren co
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
cuu tre » cua tre, cau tren, cau treo
su sai » su tai, su hai, su dai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((nang xa) or (lang xa)) hoi. hieu qua cam ((xuc van) OR (duc van)) dung tren cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((nang xa) OR (lang xa)) hoi. hieu qua cam ((xuc van) OR (duc van)) dung tren cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky ((nang xa) or (lang xa)) hoi. hieu qua cam ((xuc van) OR (duc van)) dung tren cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky ((nang xa) or (lang xa)) hoi. hieu qua cam ((xuc van) OR (duc van)) dung tren cuu tre*.