Perhaps you should try some spelling variations:
danh dum » danh du, anh duc, danh tu
vien cac » vien bach, vien dai, vien da
dum cua » duy cua, dam cua, dung cua
va danh » va dinh, va dan, va hanh
ve cac » va cac
dai ky » dan ky, dai ly
sai ky » sac ky
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((dai ky) or (sai ky)) nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc va danh dum cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((dai ky) OR (sai ky)) nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc va danh dum cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((dai ky) or (sai ky)) nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc va danh dum cua te".
• Adding a wildcard symbol may retrieve word variants: vu ((dai ky) or (sai ky)) nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc va danh dum cua te*.