Perhaps you should try some spelling variations:
thuc nhung » phuc nhung, thu nhung, thuc chung
cong thanh » dong thanh, cong trinh, truong thanh
thieu anh » thien anh, chieu xanh, thien danh
toan thuc » toan hoc, dan thuc, nhan thuc
cong tan » cong tac, cong ty, cong ha
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu anh - tinh toan thuc nhung ((cong thanh) or (((cong tan) OR (cong san)))) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu anh - tinh toan thuc nhung ((cong thanh) OR (((cong tan) OR (cong san)))) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu anh - tinh toan thuc nhung ((cong thanh) or (((cong tan) OR (cong san)))) phan cac".
• Adding a wildcard symbol may retrieve word variants: toc thieu anh - tinh toan thuc nhung ((cong thanh) or (((cong tan) OR (cong san)))) phan cac*.