Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, phong chong
chieu day » chien dau, chieu cao
hanh tang » hanh trang, anh tang, hanh mang
hieu dac » hieu cac, bieu dac, hieu cach
tang cua » mang cua, hang cua, tang luan
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu day) or (hieu dac)) - hanh tang cua ((thong cong) OR (thong thong)) tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu day) OR (hieu dac)) - hanh tang cua ((thong cong) OR (thong thong)) tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu day) or (hieu dac)) - hanh tang cua ((thong cong) OR (thong thong)) tan toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu day) or (hieu dac)) - hanh tang cua ((thong cong) OR (thong thong)) tan toan tap*.