Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
duc manh » suc manh, duc anh, duc minh
cam duc » cam xuc, cao duc, pham duc
hanh de » hanh ve, hanh kem
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
de cua » le cua, te cua, dieu cua
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: toc ((sach ty) or (cac ky)) nang xa hoi. ((hieu ve) or (hieu va)) cam duc manh hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (cac ky)) nang xa hoi. ((hieu ve) OR (hieu va)) cam duc manh hanh de cua te.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (cac ky)) nang xa hoi. ((hieu ve) or (hieu va)) cam duc manh hanh de cua te*.