Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
dao dong » lao dong, ha dong, bat dong
dong tac » cong tac, dong tai, dong bac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 - canh ((tranh cua) OR (manh cua)) dao dong tac ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh ((tranh cua) OR (manh cua)) dao dong tac ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh ((tranh cua) OR (manh cua)) dao dong tac ((than cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh ((tranh cua) OR (manh cua)) dao dong tac ((than cau) or (toan cau))*.