Perhaps you should try some spelling variations:
nhieu tang » nhiet nang
chieu sang » chieu sach, chieu xanh
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » hieu quang, hieu van, biet lang
trang cap » trung cap, trong cap, tranh chap
cap thong » cap tong, chap thuong, phap thong
thong tan » thong than, thong tran, thong tin
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - hanh trang cap thong thong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((nhieu tang) OR (((chieu sang) OR (hieu lang)))) - hanh trang cap thong thong tan tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - hanh trang cap thong thong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - hanh trang cap thong thong tan tran cau*.