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
dai ky » dan ky, dai ly, 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 dai » vi dai, va dai, vu hai

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 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 dai 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 dai ky nang ma hoi. hieu hien bach ((tuoc va) or (nuoc va)) danh ((di cua) or (de cua)) tre*.