Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
tac thoai » than thoai, cac thoi, rac thai
thoai cac » tai cac, thong cac, tho cac
khan cua » nhan cua, han cua, khien cua
than cua » nhan cua, thai cua, ban cua
cong tac » cong ty

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 tinh - hanh ((chung cu) or (((khan cua) or (than cua)))) dung cong tac thoai cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hanh ((chung cu) OR (((khan cua) OR (than cua)))) dung cong tac thoai cac.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hanh ((chung cu) or (((khan cua) or (than cua)))) dung cong tac thoai cac*.