Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trinh van » trinh han, trinh quan, trinh toan
trinh va » trinh vat, trinh ve, trinh vi
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
moc cuu » moc chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: moc cuu tinh - canh ((trinh va) or (trinh van)) thong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: moc cuu tinh - canh ((trinh va) OR (trinh van)) thong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: moc cuu tinh - canh ((trinh va) or (trinh van)) thong cong dan chan cau*.