Perhaps you should try some spelling variations:
cham xuc » chat xuc, cham soc, pham duc
so sanh » do sanh
hanh ve » hanh vi, hanh va, hanh kem
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
cau tre » cau tren, cau treo, cau tra
nang ma » tang ma, sang ma, nang cao
sanh y » sinh y, anh y, hanh y
ve cau » ke cau, va cau, ve cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y ((nang ma) or (nang x)) hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh ve cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh y ((nang ma) OR (nang x)) hoi. hieu ve ((cham xuc) OR (cam xuc)) va hanh ve cau tre.
• Adding a wildcard symbol may retrieve word variants: so sanh y ((nang ma) or (nang x)) hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh ve cau tre*.