Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cua nhung » va nhung
cong tang » cong thang, cong lang, cong vang
thanh tam » thanh tai, thanh tay, thanh nam
thanh lap » thanh san, phan lap, thanh hai
tac dung » sach dung, xay dung, tin dung
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh

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 xanh - tac dung cua nhung ((cong tan) or (cong tang)) ((thanh tam) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - tac dung cua nhung ((cong tan) OR (cong tang)) ((thanh tam) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - tac dung cua nhung ((cong tan) or (cong tang)) ((thanh tam) or (thanh lap))*.