Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu tang » chieu sang, nhieu tang, chien thang
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tac » cong ty
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tang - hanh ((tang cua) or (hang cua)) thong cong tac ((phan tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tang - hanh ((tang cua) OR (hang cua)) thong cong tac ((phan tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tang - hanh ((tang cua) or (hang cua)) thong cong tac ((phan tap) or (han tap))*.