Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hanh thai » nhanh thai, hinh thai, hanh tai
manh hanh » xanh hanh, danh thanh, minh thanh
duc manh » suc manh, duc anh, duc minh
dai duc » dao duc, dai dua, mai duc
cua tre » cuu tre, cua triet, dua tren
sach ky » sac ky, sach ty, sach kem
nang ro » nang co, nang ho, nang ra
ro hai » co hai, o hai, so hai
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: te ((sach ky) or (sach y)) nang ro hai. hieu hien dai duc manh hanh thai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang ro hai. hieu hien dai duc manh hanh thai ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sach y)) nang ro hai. hieu hien dai duc manh hanh thai ((cua tre) OR (cua te))*".