Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
dung tren » dung trong, dung trung
suc xanh » suc manh, suc canh, tuoc xanh
hanh tai » thanh tai, han tai, hinh tai
hang tai » hang va, dung tai
hieu ve » hieu va, hieu van
cac suc » cao suc, cac nuoc, cac cuoc
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sac ky nang xa hoi. hieu ve cac suc xanh ((hanh tai) or (hang tai)) ((dung tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky nang xa hoi. hieu ve cac suc xanh ((hanh tai) OR (hang tai)) ((dung tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuat sac ky nang xa hoi. hieu ve cac suc xanh ((hanh tai) or (hang tai)) ((dung tren) or (cua te))*.