Perhaps you should try some spelling variations:
nuoc tuan » ngoc tuan, nuoc luan, nuoc quan
vien cac » vien bach, vien dai, vien da
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
cua cu » cua chu, cua cau, cua co
anh di » danh di, xanh di, anh d
ve cac » va cac
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. hieu ((ve cac) or (vien cac)) nuoc tuan anh di ((cua cu) OR (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ((ve cac) OR (vien cac)) nuoc tuan anh di ((cua cu) OR (cua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ((ve cac) or (vien cac)) nuoc tuan anh di ((cua cu) OR (cua su))".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ((ve cac) or (vien cac)) nuoc tuan anh di ((cua cu) OR (cua su))*.