Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien bach » vien bach, thien hach, hien hanh
tuoc va » thuoc va, duoc va, tuc va
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
vu sac » vu sach, vu san, va sac

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 ky nang ma hoi. hieu hien bach ((tuoc va) or (nuoc va)) danh ((di cua) OR (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang ma hoi. hieu hien bach ((tuoc va) OR (nuoc va)) danh ((di cua) OR (de cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang ma hoi. hieu hien bach ((tuoc va) or (nuoc va)) danh ((di cua) OR (de cua)) tre".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang ma hoi. hieu hien bach ((tuoc va) or (nuoc va)) danh ((di cua) OR (de cua)) tre*.