Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thang cua » thong cua, hang cua, than cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
khan cua » nhan cua, than cua, khien cua
cong tac » cong ty
tac thai » toc thai, rac thai, sac thai
thai cao » tai cao, thoai cac, thuat cao
han cua » hang cua, nhan cua, than cua

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 tinh - hanh ((thang cua) or (((khan cua) OR (han cua)))) dung cong tac thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((thang cua) OR (((khan cua) OR (han cua)))) dung cong tac thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((thang cua) or (((khan cua) OR (han cua)))) dung cong tac thai cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((thang cua) or (((khan cua) OR (han cua)))) dung cong tac thai cao*.