Perhaps you should try some spelling variations:
thong qua » thong quan, thong cua, thong tu
nam thong » nam trong, nam thang, nam phong
qua tinh » qua trinh, quan tinh, qua kinh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
tinh de » tinh da, sinh de, tinh he
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky lang xa hoi. hieu ve nam thong qua tinh de ((cua chu) or (sua chua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky lang xa hoi. hieu ve nam thong qua tinh de ((cua chu) OR (sua chua)).
• Adding a wildcard symbol may retrieve word variants: vu sai ky lang xa hoi. hieu ve nam thong qua tinh de ((cua chu) or (sua chua))*.