Perhaps you should try some spelling variations:
trinh nhan » trinh han, trinh phan, trinh nha
cong thang » cong thanh, cang thang, cong thong
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
nhan thuc » nhan luc, dan thuc, toan thuc
thuc hung » thuc chung, thuc nhung, thuc dung
cong than » cong thanh, cong tan, cong thai
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu anh - trinh nhan thuc hung ((cong than) or (cong thang)) ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - trinh nhan thuc hung ((cong than) OR (cong thang)) ((phan cac) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - trinh nhan thuc hung ((cong than) or (cong thang)) ((phan cac) or (phan dau))*.