Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dua tren » dung tren
va thanh » gia thanh, ban thanh, va tinh
cu tren » tu tren
ky sang » ky nang, ky dang, duy sang
hieu va » lieu va, hieu qua
dai moi » doi moi, dai hoi
ky tang » ky nang, ky dang, kho tang
cao suc » cao su, cao duc
va cao » va cac, va co, va dao
suc 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 cac ((ky sang) or (ky tang)) dai moi. hieu va cao suc va thanh vai ((cu tren) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ((ky sang) OR (ky tang)) dai moi. hieu va cao suc va thanh vai ((cu tren) OR (dua tren)).
• Adding a wildcard symbol may retrieve word variants: tu cac ((ky sang) or (ky tang)) dai moi. hieu va cao suc va thanh vai ((cu tren) or (dua tren))*.