Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien bach » vien bach, thien hach, hien hanh
danh dien » dinh dien, danh kien, danh lien
dien cua » dieu cua, dien cuc, dien cu
duoc va » nuoc va, duc va, duoc ma
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
tuoc va » thuoc va, nuoc va, tuc va
vu sac » vu san, va sac, vu cac
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: ((vu sac) OR (vu sach)) ky nang xa hoi. hieu hien bach ((tuoc va) or (duoc va)) danh dien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (vu sach)) ky nang xa hoi. hieu hien bach ((tuoc va) OR (duoc va)) danh dien cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sac) OR (vu sach)) ky nang xa hoi. hieu hien bach ((tuoc va) or (duoc va)) danh dien cua te".
• Adding a wildcard symbol may retrieve word variants: ((vu sac) OR (vu sach)) ky nang xa hoi. hieu hien bach ((tuoc va) or (duoc va)) danh dien cua te*.